Alien biology: What might ET actually look like? | Michio Kaku, E.O. Wilson, & more | Big Think
10:50
Alien biology: What might ET actually look like? | Michio Kaku, E.O. Wilson, & more | Big Think
37K viewsJul 5, 2020
YouTubeBig Think
Shadow biosphere could hide alien life on Earth
0:52
Shadow biosphere could hide alien life on Earth
3 months ago
MSNCrushin' It
Boron Based Life – Aliens of the Crystal Deserts
32:26
Boron Based Life – Aliens of the Crystal Deserts
69K views2 months ago
YouTubeIsaac Arthur
The Fermi Paradox & The Hivemind Dilemma
29:36
The Fermi Paradox & The Hivemind Dilemma
71.5K views9 months ago
YouTubeIsaac Arthur
I Explored A $200,000,000 Forgotten Space Colony
16:09
I Explored A $200,000,000 Forgotten Space Colony
7.4M viewsJul 30, 2020
YouTubeYes Theory
Life in Methane Oceans: Could Aliens Evolve on Titan-like Worlds?
25:39
Life in Methane Oceans: Could Aliens Evolve on Titan-like Worlds?
65.4K views8 months ago
YouTubeIsaac Arthur
Ancient Aliens: Human-Alien Hybrids Could Be Roaming Earth | History
18:22
Ancient Aliens: Human-Alien Hybrids Could Be Roaming Earth | History
1.3M viewsAug 17, 2023
YouTubeHISTORY
43:04
What Are Mars "Blueberries"? | NASA's Unexplained Files (Full Episode)
865.4K viewsJul 11, 2019
YouTubeScience Channel
35:50
Convergent Evolution on Alien Worlds
151.2K viewsOct 21, 2021
YouTubeIsaac Arthur
3:42
Ancient Aliens: ALIEN DNA FOUND ON EARTH (Season 14) | History
2.1M viewsMay 7, 2020
YouTubeHISTORY
4:40
Ancient Aliens: UFOs Spotted in Antarctica (Special) | History
5.4M viewsNov 21, 2023
YouTubeHISTORY
5:46
What Alien Life Could Teach Us About Humanity
354.1K viewsDec 12, 2020
YouTubeFreethink
1:33:30
Alien Life: Will We Know It When We See It? | World Science Festival
7.4M viewsJul 17, 2014
YouTubeWorld Science Festival
1:18
You Might Be an Alien
10.8K views2 months ago
YouTubeIsaac Arthur
8:19
What We Learned from Experiment About Human Survival on Alien Planets
6 months ago
MSNBright Side
10:00
Aliens are already on Earth, new Harvard study speculates | LiveNOW from FOX
495.4K viewsJun 14, 2024
YouTubeLiveNOW from FOX
15:53
What Actual Aliens Might Look Like
10.3M viewsFeb 4, 2025
YouTubeKurzgesagt – In a Nutshell
13:20
10 Alien Species Believed to Be Visiting Earth
119.2K views11 months ago
YouTubeWatchMojo.com
20:00
Unveiling Subnautica's deep-sea creatures: Part II
3 months ago
MSNCurious Archive
13:40
Ancient Aliens: Evidence of Life in Outer Space | History
412.5K viewsJul 25, 2024
YouTubeHISTORY
9:35
Ancient Life as Old as the Universe
8.2M viewsOct 10, 2023
YouTubeKurzgesagt – In a Nutshell
3:04
Alien: Earth’s Eyeball Creature Explained
34K views8 months ago
YouTubeScreenRant
3:19
ALIEN: EARTH 'Elevated Species Of Xenomorph' Trailer (2025) New Alien Series - 4K HDR
393.2K views11 months ago
YouTubeMovieGasm‍․com
9:47
Do aliens exist? If they did, would we know? | NASA astronomer Michelle Thaller | Big Think
143.8K viewsAug 13, 2019
YouTubeBig Think
8:44
The Compelling Evidence That Aliens Have Visited Earth
1.7M viewsFeb 26, 2016
YouTubeWhatCulture
3:45
Ancient Aliens: Extraterrestrial Interference Alters Evolution (Season 17) | History
188.5K viewsOct 14, 2021
YouTubeHISTORY
5:07
There’s a Subterranean Biosphere Hiding in the Earth’s Crust and It’s MASSIVE
373.2K viewsJan 28, 2019
YouTubeSeeker
4:56
UFO ATTEMPTS TO MAKE CONTACT | The Proof is Out There (Season 2) | History
543.2K viewsOct 16, 2021
YouTubeHISTORY
40:28
Are There Aliens In Our Galaxy and ON EARTH? | Unveiled XL Documentary
75.6K viewsAug 7, 2023
YouTubeUnveiled
See more
Static thumbnail place holder